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*
*                            Open Watcom Project
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* Copyright (c) 2002-2022 The Open Watcom Contributors. All Rights Reserved.
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
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****************************************************************************/


#include "leb128wr.h"


void *EncodeSLEB128( void *h, void (*ofn)(void **h, unsigned char), long long value )
{
    unsigned char   byte;

    /* we can only handle an arithmetic right shift */
    if( value >= 0 ) {
        for( ;; ) {
            byte = value & 0x7f;
            value >>= 7;
            if( value == 0 && ( byte & 0x40 ) == 0 )
                break;
            ofn( &h, byte | 0x80 );
        }
    } else {
        for( ;; ) {
            byte = value & 0x7f;
            value >>= 7;
            if( value == -1 && ( byte & 0x40 ) )
                break;
            ofn( &h, byte | 0x80 );
        }
    }
    ofn( &h, byte );
    return( h );
}

void *EncodeULEB128( void *h, void (*ofn)(void **h, unsigned char), unsigned long long value )
{
    unsigned char   byte;

    for( ;; ) {
        byte = value & 0x7f;
        value >>= 7;
        if( value == 0 )
            break;
        ofn( &h, byte | 0x80 );
    }
    ofn( &h, byte );
    return( h );
}
